(19)

(11)

EP 2 749 065 A1

(12)

(43) Date of publication: 02.07.2014 Bulletin 2014/27 (21) Application number: 11873934.1 (22) Date of filing: 12.10.2011

(51) International Patent Classification (IPC):  H04W 24/10(2009.01) H04L 12/24(2006.01) H04W 36/24(2009.01) (86) International application number: PCT/SE2011/051219 (87) International publication number: WO 2013/055266 (18.04.2013 Gazette 2013/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (71) Applicant: Telefonaktiebolaget LM Ericsson (PUBL) 164 83 Stockholm (SE)	(72) Inventors: GUNNARSSON, Fredrik S-587 50 Linköping (SE) HEIKKILÄ, Gunnar S-954 31 Gammelstad (SE) LINDGREN, David S-977 51 Luleå (SE) MOE, Johan S-590 17 Mantorp (SE) VALKÓ, Andras S-165 70 Hässelby (SE) VERES, András H-1113 Budapest (HU) (74) Representative: Kühn, Friedrich Heinrich  Ericsson AB Patent Unit Kista RAN 1 Torshamnsgatan 23 164 80 Stockholm 164 80 Stockholm (SE)